nadal hassan convicted on all counts in the shooting rampage. nearly four years ago now, opening fire on his fellow soldiers, killing 13 people. hassan did not flinch as the verdict was read. he could now face the death penalty. and robert bales behind one of the worst atrocities in the war in afghanistan, that mass killing. sentenced to life without parole today. the father of two confessed to killing 16 villagers, mostly women and children in march of 2012. the families traveling 7,000 miles to testify against the american staff sergeant. he pleaded guilty to the massacre in order to avoid the death penalty. >>> now to las vegas tonight and a major plot thwarted. an undercover sting that busted a sinister plan well under way. tonight these two suspects in custody. one a grandmother, both charged with planning to kidnap, torture, and kill a cop, all in the shadow of the sunset strip. why did they allegedly hatch this plan? here's abc's steve osunsami now. >> reporter: on the glittery streets of las vegas, police working under cover since april,